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Airlines positioned for big gains in efficiency
Question of the Day
Planes are being built out of the same lightweight materials used for Formula 1 race cars. Their engines are being redesigned to squeeze more thrust out of every gallon of fuel. And governments are developing air-traffic systems that will allow airlines to fly shorter routes.
Those and other advances have positioned airlines for the biggest gains in fuel efficiency since the dawn of the jet age in 1958. For airlines, more efficient jets will reduce their biggest expense. For passengers, it means fares won’t jump around as much with the price of oil.
“We’re seeing 25 years of improvements compressed into 10 years,” says Hans Weber, president of TECOP International, an aviation consulting firm.
Airlines’ urgency to reduce fuel use is being driven by two trends: soaring oil prices and tougher environmental regulations.
Pressured by airline executives for improvements, manufacturers have pushed the frontiers of technology by building lighter planes and borrowing essential engine-design advances from the auto industry, like automatic transmissions.
Airplane manufacturers have already reduced fuel consumption twice as much as car and train manufacturers have. In 1980, it took an average of 46 gallons of fuel to fly a passenger 1,000 miles. Today, it takes 22, according to an AP analysis of Department of Transportation data. Experts say the coming improvements could bring that number below 18 within a decade.
That can’t come soon enough for airlines struggling with the rising price of oil.
U.S. airlines lost a combined $1 billion in the first three months of this year, in large part because of a 24 percent spike in fuel costs. A decade ago, fuel accounted for 15 percent of an airline’s operating budget. Today, it’s 35 percent.
U.S. carriers with European routes face hundreds of millions of dollars a year of additional costs pegged to their fuel consumption starting next year, when the European Union begins limiting how much carbon dioxide airlines are allowed to emit before paying a penalty. The restrictions are expected to cost airlines worldwide $3.3 billion a year. The U.S. airlines are fighting the law in European courts.
With billions of dollars of aircraft and engine orders at stake, manufacturers are turning designs that were dreams only a few years ago into reality.
Boeing and Airbus are both building long-range jets _ the 787 Dreamliner and A350, respectively _ with half of their bodies made of carbon-fiber composites. The carbon-fiber weighs 20 percent less than traditional aluminum alloy.
But the real revolution will come from the way planes are powered.
Pratt & Whitney and CFM, a joint venture between General Electric and Safran, are unveiling engines that promise to cut fuel use by 15 percent. These engines are designed for single-aisle planes, which account for more than 75 percent of the 22,000 jets worldwide. The engines should save more than $1 million per aircraft per year.
“For the first time, we’re seeing a propulsion horserace,” says Richard Aboulafia, an analyst with the Teal Group.
The PurePower engine from Pratt & Whitney will debut on the new Bombardier CSeries in 2013. Its main technological advance is to add gears _ similar to a car’s transmission _ that will allow different parts of the engine to operate at different speeds. That boosts fuel efficiency and provides the same amount of power as a traditional engine but in smaller, lighter housing.
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